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12321302070 = 2357115333897
BaseRepresentation
bin10110111100110100…
…00010011000110110
31011210200200222221010
423132122002120312
5200213223131240
65354344133050
7614222224320
oct133632023066
934720628833
1012321302070
115253065680
12247a467186
1312148b05ac
1484c578610
154c1a8b280
hex2de682636

12321302070 has 64 divisors (see below), whose sum is σ = 36867902976. Its totient is φ = 2560270080.

The previous prime is 12321302057. The next prime is 12321302107. The reversal of 12321302070 is 7020312321.

12321302070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2664639 + ... + 2669258.

It is an arithmetic number, because the mean of its divisors is an integer number (576060984).

Almost surely, 212321302070 is an apocalyptic number.

12321302070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321302070 is an abundant number, since it is smaller than the sum of its proper divisors (24546600906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12321302070 is a wasteful number, since it uses less digits than its factorization.

12321302070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333925.

The product of its (nonzero) digits is 504, while the sum is 21.

Adding to 12321302070 its reverse (7020312321), we get a palindrome (19341614391).

The spelling of 12321302070 in words is "twelve billion, three hundred twenty-one million, three hundred two thousand, seventy".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 70 77 105 110 154 165 210 231 330 385 462 770 1155 2310 5333897 10667794 16001691 26669485 32003382 37337279 53338970 58672867 74674558 80008455 112011837 117345734 160016910 176018601 186686395 224023674 293364335 352037202 373372790 410710069 560059185 586728670 821420138 880093005 1120118370 1232130207 1760186010 2053550345 2464260414 4107100690 6160651035 12321302070